wpforo / wpf-includes / class-cache.php

class-cache.php in wpForo Forum 1.3.0, at wpf-includes/class-cache.php

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1	<?php
2	// Exit if accessed directly
3	if( !defined( 'ABSPATH' ) ) exit;
4
5	class wpForoCache{
6
7	private $wpforo;
8	public $object;
9	public $dir;
10
11	function __construct( $wpForo ){
12	if(!isset($this->wpforo)) $this->wpforo = $wpForo;
13	$this->init();
14	}
15
16	public function init(){
17	$wp_upload_dir = wp_upload_dir();
18	$uplds_dir = $wp_upload_dir['basedir']."/wpforo";
19	$cache_dir = $uplds_dir . "/cache";
20	if(!is_dir($uplds_dir)) wp_mkdir_p($uplds_dir);
21	if(!is_dir($cache_dir)) $this->dir($cache_dir);
22	$this->dir = $cache_dir;
23	}
24
25	public function get_key( $type = 'html' ){
26	if($type == 'html'){
27	$ug = $this->wpforo->current_user_groupid;
28	return md5( preg_replace('\|(.+)\#.+?$\|is', '$1', $_SERVER['REQUEST_URI']) . $ug );
29	}
30	}
31
32	private function dir( $cache_dir ){
33
34	$dirs = array( $cache_dir,
35	$cache_dir . '/forum',
36	$cache_dir . '/topic',
37	$cache_dir . '/post',
38	$cache_dir . '/item',
39	$cache_dir . '/item/forum',
40	$cache_dir . '/item/topic',
41	$cache_dir . '/item/post');
42
43	$this->mkdir( $dirs );
44	}
45
46	private function mkdir( $dirs ){
47	foreach( $dirs as $dir ){
48	wp_mkdir_p($dir);
49	wpforo_write_file( $dir . '/index.html' , '' );
50	wpforo_write_file( $dir . '/.htaccess' , 'deny from all' );
51	}
52	}
53
54	public function on( $type = 'object_cashe' ){
55	if( $type == 'html_cashe' ){
56	if( wpforo_feature('output-buffer') && function_exists('ob_start') ){
57	return wpforo_feature('html_cashe', $this->wpforo);
58	}
59	else{
60	return false;
61	}
62	}
63	else{
64	return wpforo_feature($type, $this->wpforo);
65	}
66	}
67
68	public function get( $key, $type = 'loop' ){
69	$template = $this->wpforo->current_object['template'];
70	$loop_templates = array('forum', 'topic', 'post');
71	if( $type == 'loop' && $template ){
72	if( $this->exists($key, $template) ){
73	if( in_array( $template, $loop_templates) ){
74	$cache_file = $this->dir . '/' . $template . '/' . $key;
75	$array = wpforo_get_file_content( $cache_file );
76	return @unserialize( $array );
77	}
78	}
79	}
80	}
81
82	public function get_item( $id, $type = 'post' ){
83	if( $id ){ $key = $id;
84	if( $this->exists( $key, 'item', $type )){
85	$cache_file = $this->dir . '/item/' . $type . '/' . $key;
86	$array = wpforo_get_file_content( $cache_file );
87	return @unserialize( $array );
88	}
89	}
90	}
91
92	public function get_html(){
93	$template = $this->wpforo->current_object['template'];
94	if( $template == 'forum' ){
95	$key = $this->get_key();
96	if( $this->exists($key, $template) ){
97	$cache_file = $this->dir . '/' . $template . '/' . $key;
98	$html = wpforo_get_file_content( $cache_file );
99	return $this->filter($html);
100	}
101	}
102	return false;
103	}
104
105	public function html( $content ){
106	if(!$this->on('html_cashe')) return false;
107	$template = $this->wpforo->current_object['template'];
108	if( $template == 'forum' ){
109	$key = $this->get_key();
110	$this->create_html( $content, $template, $key );
111	}
112	}
113
114	public function create( $mode = 'loop', $cache = array(), $type = 'post' ){
115
116	if(!$this->on('object_cashe')) return false;
117	$template = $this->wpforo->current_object['template'];
118	if( $template == 'forum' ) { $this->check( $this->dir . '/item/post' ); }
119
120	if( $mode == 'loop' && $template ){
121	if( $template == 'forum' \|\| $template == 'topic' \|\| $template == 'post'){
122	$cache = $this->wpforo->forum->get_cache('forums');
123	$this->create_files( $cache, $template );
124	$cache = $this->wpforo->topic->get_cache('topics');
125	$this->create_files( $cache, $template );
126	$cache = $this->wpforo->post->get_cache('posts');
127	$this->create_files( $cache, $template );
128	}
129	}
130	elseif( $mode == 'item' && !empty($cache) ){
131	$this->create_files( $cache, 'item', $type );
132	}
133	}
134
135	public function create_files( $cache = array(), $template = '', $type = '' ){
136	if( !empty($cache) ){
137	$type = ( $type ) ? $type . '/' : '' ;
138	foreach( $cache as $key => $object ){
139	if( !$this->exists($key, $template) ){
140	$object = serialize($object);
141	wpforo_write_file( $this->dir . '/' . $template . '/' . $type . $key , $object );
142	}
143	}
144	}
145	}
146
147	public function create_html( $content, $template = '', $key = '' ){
148	if( $content ){
149	if( !$this->exists($key, $template) ){
150	wpforo_write_file( $this->dir . '/' . $template . '/' . $key , $content );
151	}
152	}
153	}
154
155	public function filter( $html = '' ){
156	//exit();
157	$html = preg_replace('\|<div[\s\t]*id=\"wpf\-msg\-box\"\|is', '<div style="display:none;"', $html);
158	return $html;
159	}
160
161	#################################################################################
162	/**
163	* Cleans forum cache
164	*
165	* @since 1.2.1
166	*
167	* @param integer Item ID (e.g.: $topicid or $postid) \| (!) ID is 0 on dome actions (e.g.: delete actions)
168	* @param string Item Type (e.g.: 'forum', 'topic', 'post', 'user', 'widget', etc...)
169	*
170	* @return NULL
171	*/
172	public function clean( $id, $template ){
173
174	$dirs = array();
175
176	if( $template == 'forum' ){
177	$dirs = array( $this->dir . '/forum', $this->dir . '/item/forum' );
178	}
179	elseif( $template == 'topic' ){
180	$dirs = array( $this->dir . '/forum', $this->dir . '/topic', $this->dir . '/post', $this->dir . '/item', $this->dir . '/item/post', $this->dir . '/item/topic', $this->dir . '/item/forum' );
181	}
182	elseif( $template == 'post' ){
183	$dirs = array( $this->dir . '/forum', $this->dir . '/topic', $this->dir . '/post', $this->dir . '/item', $this->dir . '/item/post', $this->dir . '/item/topic', $this->dir . '/item/forum' );
184	}
185	else{
186	$dirs = array( $this->dir . '/forum', $this->dir . '/topic', $this->dir . '/post', $this->dir . '/item', $this->dir . '/item/post', $this->dir . '/item/topic', $this->dir . '/item/forum' );
187	}
188
189	if(!empty($dirs)){
190	foreach( $dirs as $dir ){
191	$this->clean_files( $dir );
192	}
193	}
194	}
195
196	public function clean_files( $directory ) {
197	$directory_ns = trim( $directory, '/') . '/*';
198	$directory_ws = '/' . trim( $directory, '/') . '/*';
199	$glob = glob( $directory_ns ); if( empty($glob) ) $glob = glob( $directory_ws );
200	foreach( $glob as $item ) {
201	if( strpos($item, 'index.html') !== FALSE \|\| strpos($item, '.htaccess') !== FALSE ) continue;
202	if( !is_dir($item) ) unlink( $item );
203	}
204	}
205
206	public function exists( $key, $template, $type = '' ){
207	$type = ( $type ) ? $type . '/' : '' ;
208	if( file_exists( $this->dir . '/' . $template . '/' . $type . $key ) ){
209	return true;
210	}
211	else{
212	return false;
213	}
214	}
215
216	public function check( $directory ){
217	$filecount = 0;
218	if( class_exists('FilesystemIterator') && is_dir($directory) ){
219	$fi = new FilesystemIterator( $directory, FilesystemIterator::SKIP_DOTS );
220	$filecount = iterator_count($fi);
221	}
222	if( !$filecount ){
223	$directory_ns = trim( $directory, '/') . '/*';
224	$directory_ws = '/' . trim( $directory, '/') . '/*';
225	$files = glob( $directory_ns );
226	if( empty($files) ) $files = glob( $directory_ws );
227	$filecount = count($files);
228	}
229	if( $filecount > 1000 ) {
230	$this->clean_files( $directory );
231	}
232	}
233
234	}
235
236
237	?>